The West of the United States has been one of the most important settlements in the colonial America due to its productive industries of cattle ranching and mining. In addition, the territory was coined the "Wild West" because this American Frontier had a rich history of folklore concerning gangs and outlaws.
I think the second one since the largest bar (?) is for infants meaning that the population is mostly 4 year olds. Hopes this helps!
Answer：
China faces serious social and economic problems associated with overpopulation in the years to come. Overly populated regions lead to degradation of land and resources, pollution, and detrimental living conditions.
Answer:
Erosion
Explanation:
Building a house on a cliff is a very trick thing. The cliffs usually are not composed of hard rocks, but instead are usually composed of sedimentary rocks which are much softer and less stable on the long run. The cliffs are also exposed to heavy erosion, in the lower parts because of the waves, in the higher parts because of the winds. The erosion makes the cliffs slowly fall apart, and occasionally even crumble down, so a builder that would build a house on a cliff should be wary of all these things and construct the house where it is the safest for the long run.
Between the 1870 and 1900
